Prohibited Question:

Under no circumstances is a prospective employer allowed to ask your height, weight, or any details regarding any physical or mental limitations you may have, except as they directly relate to the job requirements. If you choose to reply, you can state, I am confident that I will be able to handle the requirements of this position.
The Americans with Disabilities Act (ADA) provides protection for job seekers with disabilities. It is unlawful for an employer to discriminate against a qualified applicant with a disability. The ADA applies to private employers with 15 or more employees, as well as to state and local government employers.